The textile industries : a practical guide to fibres, yarns & fabrics in every branch of textile manufacture, including preparation of fibres, spinning, doubling, designing, weaving, bleaching, printing, dyeing and finishing (1910)
Murphy, William S · London : The Gresham Publishing Company · leaf 203
on. The inventors of the French drawing frame (fig. 108) have soughtto make it the epitome of all textile preparing machines. First, thereare the back rollers, the lower one corrugated and the upper one plain. i66 SPINNING Next we find what is called the porcupine roller, which is a kind… … Fig. io8.—French Drawing Frame height of the porcupine roller has two advantages; it grips on tothe wool more closely than if the periphery were level with the nip,and offers to the wool a wider drawing surface. The sliver is drawnround the porcupine roller, but the pins are so disposed that they
Textile industry · Textile fabrics
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